Downhill all-terrain board



FIG. 1 is a top view of the board incorporating my new design;

FIG. 2 is a is a front view thereof with the rear view being identical;

FIG. 3 is a bottom view thereof; and,

FIG. 4 is a end view thereof with the opposite end view being identical.

The broken lines in FIG. 2 represent portions of the article that form no part of the claim. 

CLAIM The ornamental design for a downhill all-terrain board, as shown and described. 